baber/WOPTO huggingface dataset:
Patent JP-2023136494-A (JP)
Title: Working liquid cleaning system
Inventor: HOTTA SHOJI
IPC: B23Q11/00
Filed: 2022-03-17
Abstract: To provide a technology for restraining a working liquid not cleaned sufficiently from flowing out to a clean tank part from the tank inside.SOLUTION: A working liquid cleaning system 1 has a washing device 11, a core part having a bottom part 201, a side wall part 21 having, at least in part, a curved surface shape, an internal chamber 200 enclosed by the bottom part 201 and the side wall part 21, the internal chamber 200 where a working liquid cleaned by the washing device 11 flows in, and an outflow port 251, a clean tank part 50 and a circulation device. The side wall part 21 has a convergence wall part 221 gradually becoming small in a radius of curvature in the extension direction for separating from an introduction port 111 from the positioning side of the introduction port 111 among the directions along the side wall part 21 in a first case when viewed from the upper side on the opposite side of the bottom part 201, and a sucking-in port 311 is arranged in a position closer to a small diameter end part 221b smallest in the radius of curvature than a large diameter end part 221a largest in the radius of curvature in the convergence wall part 221.SELECTED DRAWING: Figure 3
Patent JP-2023136584-A (JP)
Title: Attachment jig of stationary blade block and shroud block in gas turbine casing and jig set
Inventor: TERAYAMA NAOHIRO
IPC: F02C7/00
Filed: 2022-03-17
Abstract: To provide a stationary blade attachment jig for detecting a malfunction in advance when moving a block-shaped stationary blade block into a casing along a side-face engagement groove part of a shroud block, and if there is the malfunction, repairing it to smoothly assemble the stationary blade block, and a jig set.SOLUTION: A stationary block attachment jig set for confirming whether or not an axial outer width of an engagement protrusion and an axial inner width of a side face engagement groove part have constant dimensions is manufactured before assembling a stationary blade block by making the engagement protrusion arranged at the stationary blade block existing in a gas turbine casing and extending in a peripheral direction, and the side-face engagement groove part 6 arranged in a shroud block 5 and extending in the peripheral direction engaged with each other.SELECTED DRAWING: Figure 2
Patent JP-2023139414-A (JP)
Title: Method of producing phenanthroline derivative
Inventor: TOYODA KAZUYA
IPC: C07D519/00
Filed: 2022-03-22
Abstract: To provide a method of producing a phenanthroline derivative little in impurities, high in productivity.SOLUTION: A method of producing a phenanthroline derivative expressed by the following (1) includes: a step of reacting a dihalogenated aromatic compound with an organic lithium reagent; a step of reacting a lithiation reaction product with 2-phenyl-1,10-phenanthroline, preferably with 1,10-phenanthroline; further a step of reacting the reaction product with an organic lithium reagent; a step of reacting the lithiation reaction product with 1,10-phenanthroline; and further a step of subjecting the reaction product to iodine oxidation to obtain a crude product of a phenanthroline derivative.SELECTED DRAWING: None
Patent JP-2023139813-A (JP)
Title: Tire vulcanization device and method
Inventor: MATSUDA KENTA
IPC: B29C33/02
Filed: 2022-03-22
Abstract: To provide a tire vulcanization device and method capable of more efficiently heating sector molds assembled in an annular shape in a plan view by using an induction heating coil.SOLUTION: In a tire vulcanization device, each sector mold 7C has an outer peripheral surface flat recessed part 8a formed flat on an outer peripheral surface in a plan view, and a flat portion 10 of a conductor plate 9 is attached to the outer peripheral surface flat recessed part 8a in such a manner as to face and abut the outer peripheral surface flat recessed part 8a. The conductor plate 9 is formed of a material having magnetic permeability higher than that of the sector mold 7C. A green tire G is horizontally disposed in an opened mold 7. A plurality of sector molds 7C arranged so as to surround a center mechanism 3 are assembled in an annular shape, and the mold 7 is closed. The conductor plate 9 is heated by using an induction heating coil 11 arranged on an outer peripheral side of the conductor plate 9, and heat of the heated conductor plate 9 is conducted to the sector mold 7C to vulcanize the green tire G.SELECTED DRAWING: Figure 5
Patent JP-2023140528-A (JP)
Title: Liquid discharge head, liquid discharge unit and device
Inventor: BANDO YOSHINORI
IPC: B41J2/01
Filed: 2022-03-23
Abstract: To provide a liquid discharge head capable of reducing an affection of an air current caused by media transport or head scanning.SOLUTION: There is provided a liquid discharge head comprising a nozzle plate on which, a plurality of nozzles is formed on a plane which is formed of a first direction and a second direction which is orthogonal to the first direction. The second direction is defined as a direction where the plurality of nozzles is arranged at equal intervals at a prescribed pitch corresponding to recording resolution, then, the plurality of nozzle rows formed of the nozzles are formed on the nozzle plate in an inclined state to the first direction. In the plurality of nozzle rows, when a virtual line connecting one end parts of the plurality of adjacent nozzle rows and having the same number of the nozzles, is defined as a first virtual line, on one end part of the nozzle plate in the second direction, a beginning position of the nozzle row is arranged closer to the other end part side of the nozzle row which is separated from the first virtual line.SELECTED DRAWING: Figure 9
Patent JP-2023142584-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2022-03-25
Abstract: To provide an improved game machine regarding a performance when a game medium enters a start area.SOLUTION: A game machine includes game control means for performing control regarding progress of a game, especially a variable display and reservation storage, performance control means for performing control regarding a performance according to an instruction from the game control means, and display control means for controlling a liquid crystal display device, and can perform a specific display corresponding to the variable display corresponding to an instruction from the game control means and a reservation display corresponding to reservation storage.SELECTED DRAWING: Figure 1
Patent JP-2023143379-A (JP)
Title: Pachinko game machine
Inventor: YOSHIDA SHINSUKE
IPC: A63F7/02
Filed: 2022-03-25
Abstract: To provide a Pachinko game machine capable of increasing interest of a game.SOLUTION: In a Pachinko game machine, a suppression function activation condition is satisfied which is a condition that allows the Pachinko game machine to be shifted to be in a game stop state when MY reaches a specified value, a suppression notification performance can be executed by satisfying the suppression function activation condition, and an emphasis performance can be displayed separately from a cumulative prize ball number display when a value of a cumulative prize ball number reaches a specific value during the execution of a special game. During the execution of the special game, when a power interruption occurs in a situation after the suppression function activation condition is satisfied by one game ball entering a big winning port and the emphasis performance is displayed by one more game ball entering the big winning port and then the power interruption is restored, the emphasis performance is not displayed even if one game ball enters the big winning port and the suppression notification performance can be executed at a predetermined timing while the suppression function activation condition is satisfied.SELECTED DRAWING: Figure 179
Patent JP-2023146866-A (JP)
Title: Power supply device and power supply method
Inventor: HIRAO TAKUYA
IPC: A61B18/12
Filed: 2022-03-29
Abstract: To provide a power supply device, etc. capable of improving convenience.SOLUTION: A power supply device includes a power supply unit for supplying power to an electric medical device having a plurality of electrodes and a control unit for controlling the power supply unit so that power is supplied to part of the electrodes of the plurality of electrodes.SELECTED DRAWING: Figure 3C
Patent JP-2023147011-A (JP)
Title: Signal processing device, magnetic tape drive, magnetic tape, magnetic tape cartridge, program, signal processing method, and magnetic tape manufacturing method
Inventor: NAKAO TORU
IPC: G11B5/584
Filed: 2022-03-29
Abstract: To provide a signal processing device, a magnetic tape drive, a magnetic tape, a magnetic tape cartridge, a program, a signal processing method, and a magnetic tape manufacturing method capable of easily identifying a deviation amount between servo patterns having a correspondence relationship between servo bands adjacent to each other in a width direction of the magnetic tape.SOLUTION: A magnetic head includes a pair of servo reading elements corresponding to a pair of servo bands adjacent to each other in a width direction. A processor acquires a first signal based on a first result obtained by reading a servo pattern in a first servo band by a first servo reading element included in a pair of servo reading elements, acquires a second signal based on a second result obtained by reading a servo pattern in a second servo band by a second servo reading element included in the pair of servo reading elements, and outputs a deviation amount signal corresponding to a deviation amount in time between the first signal and the second signal.SELECTED DRAWING: Figure 14
Patent JP-2023147965-A (JP)
Title: Thread winding assisting member and thread winding device
Inventor: UTAKI SHUN
IPC: B65H65/00
Filed: 2022-03-30
Abstract: To provide a thread holding mechanism which holds high switching success rate, in a thread winding device corresponding to a wide range of fineness and a wide range of speed, in the increase in multi-product production demand.SOLUTION: A thread switching assisting member is an annular member rotatably mounted on a bobbin holder of a thread winding device, and includes 2 or more and 6 or less of cutout parts for thread introduction. The cutout part is provided so that, in a state of being in close contact with a bobbin, a gap width between the bobbin and a cutout part first inclined surface apex becomes 1.3-3.0 times with respect to a thread diameter, and an angle of the first inclined surface of the cutout part is 15-25°.SELECTED DRAWING: Figure 2
Patent JP-2023148999-A (JP)
Title: Electromagnetic device, rotary electric machine, thrust magnetic bearing, blower, compressor, refrigeration device and vehicle
Inventor: ASANO YOSHINARI
IPC: H02K3/28
Filed: 2022-03-30
Abstract: To provide a technology capable of improving the cooling performance of a coil in an electromagnetic device including a core arranged opposite to the outside of both ends in the winding axis direction of the coil.SOLUTION: A claw pole motor 1 according to an embodiment of the present disclosure includes: a coil 212 formed into a cylindrical shape by winding a conducting wire 212A having a circular cross section in an annular shape; and a stator core 210 arranged on both sides of the coil 212 in the axial direction and provided so that inner surfaces opposite to the coil 212 in the axial direction are parallel to each other. Due to the fact that the cross-sectional shape of a part of the conductor 212A is partially radially inside with respect to the outer shape when assumed to have a circular cross section, the coil 212 is smaller than the axial dimension when the conductive wire is assumed to have the circular cross section. In addition, a portion of the conductive wire 212A opposite to the inner surface of the stator core 210 in the axial direction has a planar part 212Aa parallel to the inner surface of the stator core 210.SELECTED DRAWING: Figure 12
Patent JP-2023149413-A (JP)
Title: electric vehicle
Inventor: OGIWARA YASUSHI
IPC: B60K11/08
Filed: 2022-03-31
Abstract: To inhibit increase in the weight and costs and adjust a temperature of a power supply device with a simple structure.SOLUTION: An electric vehicle 1 according to an embodiment includes: a floor panel 3 of a vehicle body 2; a power supply device 10 disposed below the floor panel 3; an undercover 4 disposed below the power supply device 10; an introduction duct 20 having introduction ports 21, 22 which are open in a manner that the introduction ports 21, 22 may guide a fluid for adjusting a temperature of the power supply device 10 to the power supply device 10; and an inlet opening/closing mechanism 30 which opens or closes the introduction ports 21, 22.SELECTED DRAWING: Figure 1
Patent JP-2023153572-A (JP)
Title: Decorative sheet and decorative material
Inventor: CHOKAI SHINGO
IPC: B32B27/00
Filed: 2022-04-05
Abstract: To provide a decorative sheet and a decorative material which are capable of reducing deterioration of surface hardness even when they are formed using a plant-based material.SOLUTION: A decorative sheet 1 of the present embodiment includes at least a thermoplastic resin layer. The thermoplastic resin layer is a resin layer formed by a resin composition containing a biomass-based polypropylene in which monomers containing a biomass-based propylene are polymerized. The resin layer is a colored base material layer 2 that is colored, or a transparent thermoplastic resin layer that is colorless transparent.SELECTED DRAWING: Figure 1
Patent JP-2023156758-A (JP)
Title: Locally variable elastic modulus film due to photo-patterning polymerization and manufacturing method thereof
Inventor: HAYASHI MIKIO
IPC: C08J7/16
Filed: 2022-04-13
Abstract: To provide a locally variable elastic modulus film capable of locally precisely controlling physical properties such as a degree of elongation or hardness and a manufacturing method thereof.SOLUTION: A locally variable elastic modulus film 8 is a film-like locally variable elastic modulus film 8 includes: a primary polymerization portion 5 and secondary polymerization portions 6 and 7 bonded to the primary polymerization portion 5; and, by alternately arranging the primary polymerization portion 5 and the secondary polymerization portion 6 (7), a concavoconvex shape having at least on one surface of one surface 11 and other surface 12 that form a film shape by opposing with each other.SELECTED DRAWING: Figure 9
Patent JP-2023161968-A (JP)
Title: イソシアヌレート骨格を有する新規ジカルボン酸およびジカルボン酸エステル
IPC: C07D251/34
Filed: 2022-04-26
Abstract: 【課題】ジカルボン酸モノマーから重合されるポリエステル、ポリアミド等の樹脂系へのイソシアヌレート骨格の導入は耐熱性、機械強度、耐湿性、電気特性等の特性発現の観点から望まれるところであるが、カルボキシ基を備えたイソシアヌレート化合物の報告例は限定的であった。本発明は、上記実情を踏まえ、イソシアヌレート骨格を有する新規ジカルボン酸およびジカルボン酸エステルを提供することを課題としている。【解決手段】下記式（１）に示す化合物により上記課題を解決できる。（ただし、式中、Ａは直結しているか、または末端が炭素原子である２価の有機基であり、Ｒは水素原子または炭化水素基であり、Ｒ１は水素原子または１価の有機基である。）【化１】JPEG2023161968000013.jpg34124【選択図】なし
Patent JP-2023162482-A (JP)
Title: 遊技機
IPC: A63F7/02
Filed: 2022-04-27
Abstract: 【課題】リーチ演出のタイトル表示に関連して演出効果を高めた遊技機を提供すること。【解決手段】演出制御用ＣＰＵは、画像表示装置に表示される飾り図柄がリーチ態様となった後、スーパーリーチ演出を実行可能である。スーパーリーチ演出は、対応するタイトル文字を表示させるタイトル表示パートと、演出結果が報知されるまでの導入パートと、を含んで構成される。そして、スーパーリーチ演出におけるタイトル表示パートの前に飾り図柄をリーチ態様で表示させ、タイトル表示パートにおいて、リーチ態様となった飾り図柄の表示位置を用いるようにスーパーリーチ演出に対応するタイトル文字を表示させる。遊技の進行を制御する遊技制御手段と演出を制御する演出制御手段と液晶表示器とを備え、遊技制御手段から送信された演出制御コマンドに応じて、演出制御手段は、液晶表示器にガラス板画像を表示させ、ガラス板画像が割れる割れ演出を実行する。【選択図】図１１－３２
Patent JP-2022103240-A (JP)
Title: Plasma processing device and parts for the same
IPC: H01L21/3065
Filed: 2022-04-28
Abstract: PROBLEM TO BE SOLVED: To reduce the lead time on the fabrication of parts. 
     SOLUTION: A plasma processing device includes plasma generating means and a part that is arranged in a container of the plasma processing device. The part includes a boundary layer formed from a first ceramic and a second ceramic different from the first ceramic while the compounding ratios of the first ceramics and the second ceramics are changing. 
     SELECTED DRAWING: Figure 4 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022103263-A (JP)
Title: Colored photosensitive resin composition, and color device and display apparatus which are manufactured using the same
IPC: G02B5/20
Filed: 2022-05-06
Abstract: PROBLEM TO BE SOLVED: To provide a colored photosensitive resin composition capable of realizing partitions excellent in a liquid-repellent property as well as in a property of blocking light other than blue light. 
     SOLUTION: In the colored photosensitive resin composition, a film surface manufactured after photocuring and development has a contact angle with water of 100°-160°; a contact angle with propylene glycol methyl ether acetate (PGMEA) of 40°-70°; and a ratio of the contact angle with water to the contact angle with propylene glycol methyl ether acetate (PGMEA) is 1:0.4-0.6. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022093741-A (JP)
Title: Plasma cvd device
Inventor: MURATA MASAYOSHI
IPC: H01L21/205
Filed: 2022-05-09
Abstract: To provide a plasma CVD device capable of solving the problem that although a highly hydrogen-diluted silane gas is used and a VHF plasma CVD device which suppresses an ion impact or a plasma CVD device which utilizes hollow cathode effect is used so as to form an amorphous silicon film of high quality and a fine crystal silicon film through plasma CVD, an influence of the ion impact is unavoidable by the conventional device as the conventional device exposes a substrate to strong hydrogen plasma.SOLUTION: A first electrode which has a silane gas jet hole and a through hole and a second electrode having a hydrogen gas jet hole are arranged at a predetermined interval in order from a principal surface of a substrate holding base, and a high-frequency voltage is applied between the first electrode and the second electrode to generate hydrogen plasma, which is made to flow in from the second electrode side toward the substrate holding base through the through hole to be mixed with a silane gas, thereby forming a film of crystalline silicon.SELECTED DRAWING: Figure 3
Patent JP-2022174027-A (JP)
Title: ESS fire extinguishing system
Inventor: LEE HYUN SOON
IPC: H01M50/251
Filed: 2022-05-10
Abstract: To provide an ESS fire extinguishing system capable of effectively suppressing and extinguishing a fire of an ESS at an early stage.SOLUTION: A fire extinguishing system for an energy storage device (ESS) comprising a plurality of battery racks housing a plurality of battery modules, includes: a sensing unit for sensing at least one of a temperature, voltage, or smoke of a battery module; and a fire extinguishing unit for spraying a fire extinguishing agent at the battery module when at least one of values sensed by the sensing unit is higher than a preset critical value, the fire extinguishing unit including a heat-sensitive member that is provided in a region corresponding to a battery cell vent hole of the battery module and allows the fire extinguishing agent to be sprayed directly into the vent hole by being melted when a temperature of the heat-sensitive member is higher than the critical value.SELECTED DRAWING: Figure 8
Patent JP-2023167248-A (JP)
Title: コネクタシェル
IPC: H01R13/6581
Filed: 2022-05-11
Abstract: 【課題】コネクタシェルの内部に水が浸入することを効果的に抑制できるとともに、電線への通電に伴って発生する電磁ノイズを効果的にシールドすることができるコネクタシェルを提供する。【解決手段】コネクタシェル４０は、電線１１、１２の一端部を保持するコネクタハウジング３０を収容して保持し、被固定部材９０の被固定面９１に固定される。コネクタシェル４０は、コネクタシェル４０が被固定部材９０の被固定面９１に固定された状態において、被固定部材９０の被固定面９１と対向して被固定面９１に当接する当接面４３を備える。当接面４３は、被固定部材９０の被固定面９１に向かって傾斜するテーパ面４３１を有する。【選択図】図２
Patent JP-2023167806-A (JP)
Title: ロボット制御システム、下位制御装置、ロボット制御システムの制御方法、及び、下位制御装置の制御方法
IPC: B25J13/00
Filed: 2022-05-13
Abstract: 【課題】応答性が要求されるロボット動作を問題なく実行できる技術を提供する。【解決手段】ロボット制御システムは、サーボ制御部を有するロボットと、予め設定された制御周期毎に、サーボ制御部に制御指令を送信するとともに、サーボ制御部からロボットの状態を表すロボット状態情報を受信する下位制御装置と、下位制御装置に、制御指令を作成するための指令情報を送信する上位制御装置と、を備える。下位制御装置は、（ｉ）過去の複数の制御指令を外挿することによって外挿制御指令を作成する処理と、（ｉｉ）次回の制御指令をタイムアウト時刻までに上位制御装置から指令情報を受信できた場合には、指令情報から次回の制御指令を作成してサーボ制御部に送信する処理と、（ｉｉｉ）タイムアウト時刻までに上位制御装置から指令情報を受信できなかった場合には、外挿制御指令をサーボ制御部に送信する処理と、を実行する。【選択図】図３
Patent JP-2023168097-A (JP)
Title: 接合装置
IPC: B23K3/02
Filed: 2022-05-13
Abstract: 【課題】被接合材を電極にて挟持し、電極間に電流を供給しながら加圧することで接合材を接合する接合装置において、電極の先端部の状態を回復させることが容易な接合装置を提供する。【解決手段】相互に対向して被接合材２００を挟持する一対の電極１０を備え、この一対の電極１０の少なくとも一方は、電極１０の先端側に着脱可能に設けられ、被接合材２００に接触する接触電極１３および発熱電極１２を含む先端側電極と、この先端側電極における被接合材２００に接触する面とは反対側に設けられ、先端側電極を支持する支持電極１１と、を備える。【選択図】図２
Patent JP-2022126635-A (JP)
Title: Production of chemical reactors
IPC: B81B1/00
Filed: 2022-05-17
Abstract: PROBLEM TO BE SOLVED: To provide production methods of columns with improved efficiency or uniformity, and chemical reactors with one or more channels where the efficiency in all channels of a column is comparable. 
     SOLUTION: A chemical reactor comprises one or more effective channels 110 which comprise pillar structures 120, an input connected to the effective channels to allow fluid/gas to enter one of the effective channels, and an output connected to one of the one or more effective channels to take out at least one component of the liquid/gas. A method for producing the chemical reactor comprises obtaining an initial design of the reactor, further introducing into the initial design at least a structured area positioned adjacently to one of the one or more effective channels located at the edge of the initial design, the structured area not being fluidly connected to one of the effective channels, to thereby obtain a further design and produce the reactor according to the further design. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023170632-A (JP)
Title: 車両の制御装置
IPC: B60L58/12
Filed: 2022-05-19
Abstract: 【課題】コスト増加を招くことなく、ＡＣ給電およびＤＣ給電を最大まで行うことができる車両の制御装置を提供すること。【解決手段】車両の制御装置は、バッテリと、バッテリから供給される電力を検出するセンサと、バッテリからの電力により給電可能な第一給電口および第二給電口と、第一給電口または第二給電口に、バッテリからの電力を供給するインバータと、第一給電口および第二給電口に供給する総合電力を、センサの検出値に基づいて算出する制御装置と、を備える。【選択図】図１
Patent JP-2023170690-A (JP)
Title: 経口組成物
IPC: A23L33/10
Filed: 2022-05-19
Abstract: 【課題】本発明は、筋肉を増強するための組成物の提供を目的とするものである。また、本発明は、運動パフォーマンスの維持及び／又は向上するための組成物の提供を目的とするものである。【解決手段】本発明者らは、筋肉を増強する組成物を探索する中で、ワイルドヤムが筋肉を増強させる効果を奏することを見出し、本発明を完成するに至った。本発明者らは、運動パフォーマンスを維持及び／又は向上する組成物を探索する中で、ワイルドヤムが運動パフォーマンスを維持及び／又は向上させる効果を奏することを見出し、本発明を完成するに至った。【選択図】図１
Patent JP-2023170694-A (JP)
Title: 遊技機
IPC: A63F7/02
Filed: 2022-05-19
Abstract: 【課題】演出制御の安定化を図ることができ、その結果として遊技の興趣向上又は遊技の興趣低下の防止を図ることができる遊技機を提供する。【解決手段】遊技機は、演出に関する複数の項目について、操作手段が受け付けた操作に基づいてカスタマイズ可能であり、複数の項目の少なくとも一部についてカスタマイズ可能である第一状態（通常モード）と第二状態（チャンスタイム）とがあり、複数の項目の少なくとも一部についてカスタマイズ可能であり且つ図柄変動の停止中になり得る特定状態があり、第二状態が終了した後に第一状態になる場合に、第一状態においてカスタマイズ可能である項目の少なくとも一部についてカスタマイズが不能となるカスタマイズ制限期間（期間Ｔ１）に、第二状態の終了以後になり、特定状態におけるカスタマイズの操作に関する表示が、第一状態において実行される図柄変動の変動中に表示されるカスタマイズの操作に関する表示と比べて、表示態様が異なる、ことを特徴とする。【選択図】図２０
Patent JP-2023084075-A (JP)
Title: Coupling structure and attachment appliance
Inventor: MARUYAMA YOSHIHIRO
IPC: A44C5/14
Filed: 2022-05-20
Abstract: To provide a coupling structure and attachment appliance which allow easy coupling.SOLUTION: A coupling structure 100 comprises: a coupling pin 10 which is inserted into an insertion hole to mutually couple a coupling object 2 and an object to be coupled; and a pin engagement member 30 which is movable in a movement direction different from a direction where the insertion hole extends in a recess 40 provided in one of the coupling object 2 and an object 3 to be coupled, and has a pin engagement part to which the coupling pin 10 is engaged at a step part 13. One of the recess 40 and the pin engagement member 30 has a first contact part, and the other of them has a first contacted part which can come into contact with the first contact part, by mutual contact of the first contact part and the first contacted part, at least one of a direction of the pin insertion part and a position of the pin insertion part in a plane which is vertical to the movement direction when the pin engagement member 30 is at a certain position is restricted.SELECTED DRAWING: Figure 3